Fernández, Gustavo M <br/><br/>
Naves extraterrestres tripuladas 
Gustavo M. Fernández. 
 - Buenos Aires  Dronte Argentina  1976. 
 - 182 p.  ill.  20 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unidentified flying objects